Healthcare professionals come in many forms, what is a doctor of osteopathy and understanding the distinctions between them can help patients make informed decisions about their care. https://www.unthsc.edu/texas-college-of-osteopathic-medicine/doctor-of-osteopathy-degree-your-path-to-a-whole-health-approach-to-medicine/ of physicians in the United States are Doctors of Osteopathy (DOs) and Doctors of Medicine (MDs).